Latest Instruction Manual: Uploaded on the product page – refer to it before installation and use for accurate operation steps 4 Flexible Unlocking Methods & 0.3s Rapid Recognition: This smart lock supports APP Remote Control + 50 Fingerprints + 100 Passcodes + 5 Mechanical Keys. It unlocks in 1s with your unique, unloseable fingerprint, making it ideal for multi-family households APP Remote Control & Real-Time Management: With this keyless entry door lock, you can approve/deny access and generate time-limited/permanent e-keys for visitors via smartphone. It also lets you easily manage user permissions and check real-time access logs directly in the APP, enhancing daily convenience Scenario-Specific Customizable Passcodes: This smart door lock allows you to remotely share passcodes with flexible validity: One-time (for guests), permanent (for family), and temporary/scheduled (for cleaners/couriers). It's ideal for homes, apartments, offices, and hotels Hassle-Free Locking Modes: This door lock for front door lets you set auto-lock (5-60s after door closure) to avoid forgetting to lock up. It also features one-touch instant locking (via the lock button inside/outside)—no keys needed, perfectly suiting front door use All-Round WIFI Security Protection: This smart lock for front door comes with anti-peeping passcodes, silent mode, wrong access limitation, local data storage (secures biometrics/credentials), low battery alert, and emergency charging port. Its IP54 rating resists rain and dust, ensuring long-term reliability US Standard Door Compatibility: This smart lock fits most left/right-handed US standard doors, with a door thickness range of 1-3/8" to 2" (approx. 35-50mm). As a dedicated door lock for front door, confirm door compatibility first - this model requires 3 pre-drilled holes for installation Easy Installation & After-Sales Support: This smart door lock set includes a manual with complete installation guides and step-by-step tutorial videos; you can install it in minutes, no locksmith needed. For any questions or concerns, our support team is ready to help. Email us anytime—we offer 24/7 email support and will respond promptly Upgrade Your Home Security with Our Advanced Smart Door Lock – Keyless Convenience Meets Robust Protection Designed for modern households, this smart door lock seamlessly combines cutting-edge technology with user-friendly features to deliver superior front door security. Equipped with 0.3-second fingerprint recognition, support for 500+ fingerprint entries, 500+ customizable passcodes, and 5 backup mechanical keys, it offers flexible, key-free access for families, rental properties, and offices. Control access anytime, anywhere via the companion app—remotely lock or unlock your door, generate temporary or permanent e-keys for visitors, and monitor real-time entry logs. The lock also supports scenario-specific passcodes for one-time guests, recurring services, or family members, making it an ideal keyless entry door lock for dynamic lifestyles. Built to last, it features auto-lock timing (5–60 seconds), one-touch instant locking, and advanced protection including anti-peeping passwords, intrusion alerts, and an IP54 weather-resistant rating. Compatible with most standard US doors (1-3/8" to 2" thickness), this smart deadbolt lock is easy to install and comes with detailed guides—no professional help needed. Whether you prefer a fingerprint door lock, keypad deadbolt, Wi-Fi-enabled smart lock, or a biometric entry system, this versatile front door lock set offers a reliable, high-security upgrade for keyless living. 24/7 customer support included – shop with confidence and transform your home entry today!